The big problem with Harper's hair, as has been noted before, is that all the gel he's got on his head may contribute to his helmet coming loose on the basepaths.

That is, when he needs to run the bases. Harper's been trotting a lot the first two months of the MLB season, and his 20 home runs are second in the league. The #HarperHomeRunTrot has been crucial to the Nats as they chase the New York Mets for first place in the NL East. As of Wednesday, Washington was half a game out of first.